A reduction in traffic of around 30% on Avenue de l'Opéra, 15% on Boulevard de Sébastopol, a reduction in noise and better air quality on the main roads concerned... At the end of 2023, the City of Paris revealed the promising results of an impact study carried out around the Limited Traffic Zone (ZTL) project in the center of the capital.
Enough to convince us to implement at all costs this flagship campaign promise of the 2020 municipal elections, the contours of which have since been largely revised (downwards) by the police headquarters, both in terms of the scope and the timetable for its implementation. place.
However, on closer inspection, the technical studies which make up this evaluation are much more contrasting.
The Environmental Authority has also expressed several reservations.
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